package cn.kzgg.ymcc.config;

import cn.kzgg.ymcc.domain.Permission;
import cn.kzgg.ymcc.service.ILoginService;
import cn.kzgg.ymcc.service.IPermissionService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.NoOpPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.provisioning.InMemoryUserDetailsManager;

import java.util.List;

@Configuration
@EnableWebSecurity//开启认证授权
@EnableGlobalMethodSecurity(prePostEnabled=true)//开启方法授权
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private IPermissionService permissionService;

     //提供用户信息，这里没有从数据库查询用户信息，在内存中模拟
   /* @Bean
    public UserDetailsService userDetailsService(){
        InMemoryUserDetailsManager inMemoryUserDetailsManager =
        new InMemoryUserDetailsManager();
        inMemoryUserDetailsManager.createUser(User.withUsername("zs").password("123").authorities("admin").build());
        return inMemoryUserDetailsManager;
    }*/

     @Bean
     public AuthenticationManager authenticationManager() throws Exception {
         return super.authenticationManager();

     }

    public static void main(String[] args) {
        BCryptPasswordEncoder bc = new BCryptPasswordEncoder();
        String encode = bc.encode("123");
        System.out.println(encode);
        //boolean matches = bc.matches("123","$2a$10$MC/Ito3kUkVNlqtw4B8Ww.4kY21ZY3hFYEMOyQjG8D8CNoUjl5ys6");
        //System.out.println(matches);
    }


    /*//密码编码器：不加密
    @Bean
    public PasswordEncoder passwordEncoder(){
        return NoOpPasswordEncoder.getInstance();
    }*/

    //密码编码器：加密
    @Bean
    public PasswordEncoder passwordEncoder(){
        return new BCryptPasswordEncoder();
    }
    
    //授权规则配置
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        //授权
        List<Permission> permissions = permissionService.selectList(null);
        permissions.forEach(permission -> {
            try {
                http.authorizeRequests().antMatchers(permission.getResource()).hasAnyAuthority(permission.getSn());
            } catch (Exception e) {
                e.printStackTrace();
            }
        });


        http.authorizeRequests()                                //授权配置
                .antMatchers("/login/common").permitAll()  //登录路径放行
                .anyRequest().authenticated()                   //其他路径都要认证之后才能访问
                .and().formLogin()                              //允许表单登录
                //.successForwardUrl("/login/loginSuccess")             // 设置登陆成功页
                .and().logout().permitAll()                    //登出路径放行 /logout
                .and().csrf().disable();                        //关闭跨域伪造检查
    }
}